某患者经医院诊断为肺癌,而本人坚决否认患病,此人角色行为的改变属于
A.角色行为缺如
B.角色行为减退
C.角色行为异常
D.角色行为冲突
E.角色行为强化
参考答案:A
Since Jonas Salk came up with his polio vaccine, infantile paralysis has virtually disappeared from the United States.
A.surfaced with
B.raised the price of
C.discovered
D.elevated
架空光缆可适当的在杆上伸缩余留,轻负荷应每隔()档做一处余留。
A、2-3
B、3-5
C、5-7